Finding the Fourth Proportional to 39,599,487.36, 54,545,072.76 and 27,976,875.12
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Solution
The fourth proportional to 39,599,487.36, 54,545,072.76 and 27,976,875.12 is: 38,535,869.80
Step by Step Solution
- Step 1: Write the proportion equation
39,599,487.36 : 54,545,072.76 = 27,976,875.12 : x - Step 2: Convert to fraction form
39,599,487.36/54,545,072.76 = 27,976,875.12/x - Step 3: Cross multiply
39,599,487.36x = 54,545,072.76 × 27,976,875.12 - Step 4: Simplify right side
39,599,487.36x = 1,526,000,689,017,833.75 - Step 5: Solve for x
x = 1,526,000,689,017,833.75/39,599,487.36 - Step 6: Final answer
x = 38,535,869.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.